ATLANTA - Global airlines, still reeling from the recent flu-virus scare, have stepped up efforts to protect passengers from health risks on international flights.

In Asia, carriers spooked by the memory of Sars have stepped up cabin cleaning, installed state-of-the-art air filters and allowed in-flight staff to wear face masks.

US carriers business as usual IN contrast to the measures taken by Asian airlines, US carriers have simply continued safety standards already in place, relying on the advice of authorities such as the Centres for Disease Control and Prevention. Atlanta-based CDC has not recommended that airline crews wear face masks or disposable overcoats. ... more

For example, Cathay Pacific now replaces used pillows, blankets, headset covers and headrest covers, spokeswoman Carolyn Leung said.

China Southern Airlines has been disinfecting the cabins of all aircraft. China Eastern Airlines flight attendants are required to wear disposable facial masks, gloves and hats and even disposable overcoats during flights to select destinations.

Mexicana Airlines uses high-efficiency filters that can trap small particles that would normally recirculate back into the air, spokesman Adolfo Crespo said.

The H1N1 flu virus has been confirmed in 20,000 people in 68 countries, killing at least 126, according to the World Health Organisation. Although it appears mild, experts worry that the disease, which formerly was called 'swine flu,' could change into a more dangerous form.

In the wake of the spread, some countries have intensified health precautions.

Singapore, which saw its first case of the H1N1 flu in late May, has been thermal-screening everyone coming into the country. Singapore Airlines Ltd, the world's biggest by market value, is giving passengers travelling to the United States health kits that include a thermometer, masks and antiseptic towels. Its cabin and flight crews are getting mandatory temperature checks before flights. -- REUTERS